<?php
/**
 * Zend Framework
 * LICENSE
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 * @category Zend
 * @package Zend_Captcha
 * @subpackage Adapter
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 */
/**
 *
 * @see Zend_Captcha_Word
 */
require_once 'Zend/Captcha/Word.php';
/**
 *
 * @see Zend_Text_Figlet
 */
require_once 'Zend/Text/Figlet.php';

/**
 * Captcha based on figlet text rendering service
 * Note that this engine seems not to like numbers
 * @category Zend
 * @package Zend_Captcha
 * @subpackage Adapter
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 * @version $Id: Figlet.php 24593 2012-01-05 20:35:02Z matthew $
 */
class Zend_Captcha_Figlet extends Zend_Captcha_Word {

    /**
     * Figlet text renderer
     * @var Zend_Text_Figlet
     */
    protected $_figlet;

    /**
     * Constructor
     * @param null|string|array|Zend_Config $options
     * @return void
     */
    public function __construct ($options = null) {
        parent::__construct ($options);
        $this -> _figlet = new Zend_Text_Figlet ($options);
    }

    /**
     * Generate new captcha
     * @return string
     */
    public function generate () {
        $this -> _useNumbers = false;
        return parent::generate ();
    }

    /**
     * Display the captcha
     * @param Zend_View_Interface $view
     * @param mixed $element
     * @return string
     */
    public function render (Zend_View_Interface $view = null, $element = null) {
        return '<pre>' . $this -> _figlet -> render ($this -> getWord ()) . "</pre>\n";
    }

}
